iKRR Mens Casual Solid Color Slim Fit Golf Performance Polo T-Shirt with Pocket 95% cotton 5% spandex 95% cotton 5% spandex,its delicate and refreshing texture gives skin bright and refresh. Featuring two-button placket and embroidered logo on chest; This polo is soft and comfortable, simple and elegant style, suitable for all ages to wear. Machine Wash/Wash Darker color seperately (COLD WATER) / Do not bleach / Low iron if necessary We have improve our size information after getting feedback from many customers, PLEASE USE OUR SIZE CHART, DO NOT USE THE ONE OFFERED BY AMAZON.